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POWhy ffdec_h264 not give debug information in gstreamer?
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  1. POWhy ffdec_h264 not give debug information in gstreamer?
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    copied!<p>I'm working on multimedia application debugging on gstreamer and I'm using <code>GST_DEBUG</code> options to produce debug. For example the following command </p> <pre><code>GST_DEBUG=filesrc:5, qtdemux:5, ffdec_h264:5 gst-launch filesrc location=data/bdmp4/rihanna0.mp4 ! qtdemux name=demuxer demuxer. ! queue ! faad ! audioconvert ! audioresample ! autoaudiosink demuxer. ! queue ! ffdec_h264 ! ffmpegcolorspace ! autovideosink </code></pre> <p>will do the decoding of the input mp4 file while producing debug report about the gstreamer plugins <code>qtdemux</code>, <code>filesrc</code>, and <code>ffdec_h264</code>. The pipeline representation of the command is</p> <p><img src="https://i.stack.imgur.com/gDFSp.png" alt="enter image description here"></p> <p>My problem is that the above command shows debug information about <code>qtdemux</code> and <code>filesrc</code> plugins like you can see below</p> <pre><code>0:00:00.018162514 [334m12243[00m 0x219a4f0 [32;01mINFO [00m [00m filesrc gstfilesrc.c:374:gst_file_src_set_location:[00m filename : data/bdmp4/rihanna0.mp4 0:00:00.018222356 [334m12243[00m 0x219a4f0 [32;01mINFO [00m [00m filesrc gstfilesrc.c:375:gst_file_src_set_location:[00m uri : file:///home/leonzo/Documents/workspace/videc/videcoframework/data/bdmp4/rihanna0.mp4 0:00:00.062045799 [334m12243[00m 0x219a4f0 [32;01mINFO [00m [00m filesrc gstfilesrc.c:969:gst_file_src_start:&lt;filesrc0&gt;[00m opening file data/bdmp4/rihanna0.mp4 0:00:00.062195045 [334m12243[00m 0x219a4f0 [32;01mINFO [00m [00m filesrc gstfilesrc.c:969:gst_file_src_start:&lt;filesrc0&gt;[00m opening file data/bdmp4/rihanna0.mp4 0:00:00.062564845 [334m12243[00m 0x2415c50 [37mLOG [00m [00m qtdemux qtdemux.c:3810:gst_qtdemux_loop:&lt;demuxer&gt;[00m loop at position 0, state 0 0:00:00.062671771 [334m12243[00m 0x2415c50 [37mLOG [00m [00m filesrc gstfilesrc.c:829:gst_file_src_create_read:&lt;filesrc0&gt;[00m Reading 16 bytes at offset 0x0 0:00:00.062717752 [334m12243[00m 0x2415c50 [36mDEBUG [00m [00m qtdemux qtdemux.c:1982:extract_initial_length_and_fourcc:[00m length 0x00000018 0:00:00.062746012 [334m12243[00m 0x2415c50 [36mDEBUG [00m [00m qtdemux qtdemux.c:1984:extract_initial_length_and_fourcc:[00m atom type ftyp 0:00:00.062782358 [334m12243[00m 0x2415c50 [37mLOG [00m [00m filesrc gstfilesrc.c:829:gst_file_src_create_read:&lt;filesrc0&gt;[00m Reading 24 bytes at offset 0x0 0:00:00.062808183 [334m12243[00m 0x2415c50 [36mDEBUG [00m [00m qtdemux qtdemux.c:1911:qtdemux_parse_ftyp:&lt;demuxer&gt;[00m major brand: mp42 0:00:00.062831369 [334m12243[00m 0x2415c50 [37mLOG [00m [00m qtdemux qtdemux.c:3810:gst_qtdemux_loop:&lt;demuxer&gt;[00m loop at position 24, state 0 0:00:00.062854234 [334m12243[00m 0x2415c50 [37mLOG [00m [00m filesrc gstfilesrc.c:829:gst_file_src_create_read:&lt;filesrc0&gt;[00m Reading 16 bytes at offset 0x18 0:00:00.062888181 [334m12243[00m 0x2415c50 [36mDEBUG [00m [00m qtdemux qtdemux.c:1982:extract_initial_length_and_fourcc:[00m length 0x024a4f05 0:00:00.062904672 [334m12243[00m 0x2415c50 [36mDEBUG [00m [00m qtdemux qtdemux.c:1984:extract_initial_length_and_fourcc:[00m atom type mdat 0:00:00.062922459 [334m12243[00m 0x2415c50 [37mLOG [00m [00m qtdemux .... </code></pre> <p>But It doesn't give any debug report about the <code>ffdec_h264</code> plugin. </p> <p>How to enable the debugging of the <code>ffdec_h264</code> pluging ? or Is there another h264 gstreamer decoding plugin which accept debugging</p> <p>thansk you for any reply</p>
 

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